# TempMailDetector, free: Email verification API

> TempMailDetector offers a powerful email validation API to identify temporary and disposable email addresses in real-time.

TempMailDetector's email verification API on its Free plan. It costs $0.00 per 1,000 emails. It returns 2 of the 6 key fields we check: Deliverability, Company.
In [our email verification API benchmark](https://datacircle.dev/best-email-verification-api.txt), the best plan from TempMailDetector scores 0.0 out of 100. TempMailDetector ranks 176th of 181 providers.
This plan is free. We rank 3,753 plans for email verification APIs by price. Half the plans cost $1.98 per 1,000 emails or less.
[treg's top-up from $10](https://datacircle.dev/validate-email-apis/treg/top-up-from-10/llms.txt) is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers.
[Disify's $9 monthly plan (/email)](https://datacircle.dev/validate-email-apis/disify/9-monthly-starter-post-email/llms.txt) covers any number of emails. Disify's $9 monthly plan costs less up front than treg's top-up from $10.
[MailTester Ninja](https://datacircle.dev/validate-email-apis/mailtester-ninja/23-99-monthly/llms.txt), [Enrich.so](https://datacircle.dev/validate-email-apis/enrich-so/499-monthly/llms.txt) and [GetProspect](https://datacircle.dev/validate-email-apis/getprospect/369-pack/llms.txt) are the best email verification API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-email-apis/tempmaildetector/free
- [Email validation API: 180+ verification providers compared](https://datacircle.dev/best-email-verification-api.txt)
- Get it: https://tempmaildetector.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Request: `POST https://api.tempmaildetector.com/check`
- API key: with the plan, on https://tempmaildetector.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Its API docs: https://tempmaildetector.com/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- Sold by: TempMailDetector (https://tempmaildetector.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing)
- Checked: 2026-11-02

## In the answer

- Completeness: 33%
- Deliverability: ✓
- Company: ✓

## Price

- $ per 1,000 emails: $0.00
- Per: call
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: TempMailDetector offers a powerful email validation API to identify temporary and disposable email addresses in real-time.

## Data

- Freshness: stored
- What it checks: mail servers, disposable domains
- Keep data: no limit
- Use data: You agree to use the Service only for lawful purposes and in accordance with these Terms. You shall not: Use the Service in any manner that could interfere with, disrupt, or negatively affect the Service or servers/networks connected to the Service. Use the Service for any fraudulent or illegal activities. Reverse engineer, decompile, disassemble, or otherwise attempt to discover the source code of the Service. [...] You are granted a limited, non-exclusive, non-transferable, revocable licence to use the Service for your personal or internal business purposes, subject to these Terms. [...] If a submitted domain qualifies as a disposable email provider according to our algorithms, it will be added to the database and made available to the network for querying.

## Plan

- Pay: $0
- You get: 200 credits a month
- Enough for: 200 calls a month
- Expires: resets monthly

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: domain
- Method: POST
- Path: /check

## About the plan

- Plan: Free
- Who can get it: anyone

## The 8 fields the plan's answer can hold

domain, risk score, block list, domain age, website resolves, accepts all addresses, valid email security, forwarding

## TempMailDetector's plans (6)

- [TempMailDetector, free](https://datacircle.dev/validate-email-apis/tempmaildetector/free/llms.txt): $0.00 per 1,000, 33% complete, stored
- [TempMailDetector, top-up](https://datacircle.dev/validate-email-apis/tempmaildetector/top-up/llms.txt): $5.00 per 1,000, 33% complete, stored
- [TempMailDetector, $5 monthly](https://datacircle.dev/validate-email-apis/tempmaildetector/5-monthly/llms.txt): $5.00 per 1,000, 33% complete, stored
- [TempMailDetector, $10 monthly](https://datacircle.dev/validate-email-apis/tempmaildetector/10-monthly/llms.txt): $5.00 per 1,000, 33% complete, stored
- [TempMailDetector, $25 monthly](https://datacircle.dev/validate-email-apis/tempmaildetector/25-monthly/llms.txt): $5.00 per 1,000, 33% complete, stored
- [TempMailDetector, $50 monthly](https://datacircle.dev/validate-email-apis/tempmaildetector/50-monthly/llms.txt): $5.00 per 1,000, 33% complete, stored

## TempMailDetector's calls (1)

- `POST /check`: [TempMailDetector, free](https://datacircle.dev/validate-email-apis/tempmaildetector/free/llms.txt)

## TempMailDetector's APIs (1)

- [TempMailDetector: email verification API pricing, 6 plans](https://datacircle.dev/validate-email-apis/tempmaildetector/free/llms.txt)

## TempMailDetector: email verification API alternatives

- [InboxVet, $25 pack, Starter Pack, POST /api/validate/batch](https://datacircle.dev/validate-email-apis/inboxvet/25-pack-starter-pack-post-api-validate-batch/llms.txt): $5.00 per 1,000, 33% complete, stored
- [Elastic Email, $750 monthly, Email Marketing Starter (150,000 contacts), POST /verifications/files](https://datacircle.dev/validate-email-apis/elastic-email/750-monthly-email-marketing-starter-150000-contacts-post-verifications-files/llms.txt): $5.00 per 1,000, 50% complete, stored
- [RealMail, $50 pack](https://datacircle.dev/validate-email-apis/realmail/50-pack/llms.txt): $5.00 per 1,000, 33% complete, stored
- [TrekMail, $5 pack, 1,000 credits, POST /verify/bulk, Create a bulk job (quick)](https://datacircle.dev/validate-email-apis/trekmail/5-pack-1000-credits-post-verify-bulk-create-a-bulk-job-quick/llms.txt): $5.00 per 1,000, 50% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

- https://tempmaildetector.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tempmaildetector.com/buy-lookups?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tempmaildetector.com/documentation?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tempmaildetector.com/how-to-choose-a-disposable-email-detection-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing
- https://tempmaildetector.com/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=email-verification-api-pricing